557888220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{397}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 1750633248

約数和(自身を除く): 1192745028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 211, 222, 333, 370, 397, 422, 444, 555, 633, 666, 740, 794, 844, 1055, 1110, 1191, 1266, 1332, 1588, 1665, 1899, 1985, 2110, 2220, 2382, 2532, 3165, 3330, 3573, 3798, 3970, 4220, 4764, 5955, 6330, 6660, 7146, 7596, 7807, 7940, 9495, 11910, 12660, 14292, 14689, 15614, 17865, 18990, 23421, 23820, 29378, 31228, 35730, 37980, 39035, 44067, 46842, 58756, 70263, 71460, 73445, 78070, 83767, 88134, 93684, 117105, 132201, 140526, 146890, 156140, 167534, 176268, 220335, 234210, 251301, 264402, 281052, 293780, 335068, 351315, 418835, 440670, 468420, 502602, 528804, 661005, 702630, 753903, 837670, 881340, 1005204, 1256505, 1322010, 1405260, 1507806, 1675340, 2513010, 2644020, 3015612, 3099379, 3769515, 5026020, 6198758, 7539030, 9298137, 12397516, 15078060, 15496895, 18596274, 27894411, 30993790, 37192548, 46490685, 55788822, 61987580, 92981370, 111577644, 139472055, 185962740, 278944110, 557888220]

約数ペア:

[(1, 557888220), (2, 278944110), (3, 185962740), (4, 139472055), (5, 111577644), (6, 92981370), (9, 61987580), (10, 55788822), (12, 46490685), (15, 37192548), (18, 30993790), (20, 27894411), (30, 18596274), (36, 15496895), (37, 15078060), (45, 12397516), (60, 9298137), (74, 7539030), (90, 6198758), (111, 5026020), (148, 3769515), (180, 3099379), (185, 3015612), (211, 2644020), (222, 2513010), (333, 1675340), (370, 1507806), (397, 1405260), (422, 1322010), (444, 1256505), (555, 1005204), (633, 881340), (666, 837670), (740, 753903), (794, 702630), (844, 661005), (1055, 528804), (1110, 502602), (1191, 468420), (1266, 440670), (1332, 418835), (1588, 351315), (1665, 335068), (1899, 293780), (1985, 281052), (2110, 264402), (2220, 251301), (2382, 234210), (2532, 220335), (3165, 176268), (3330, 167534), (3573, 156140), (3798, 146890), (3970, 140526), (4220, 132201), (4764, 117105), (5955, 93684), (6330, 88134), (6660, 83767), (7146, 78070), (7596, 73445), (7807, 71460), (7940, 70263), (9495, 58756), (11910, 46842), (12660, 44067), (14292, 39035), (14689, 37980), (15614, 35730), (17865, 31228), (18990, 29378), (23421, 23820)]